CVE-2015-0721

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Summary

CVECVE-2015-0721
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-10-06 10:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionCisco NX-OS 4.0 through 7.3 on Multilayer Director and Nexus 1000V, 2000, 3000, 3500, 4000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote authenticated users to bypass intended AAA restrictions and obtain privileged CLI access via crafted parameters in an SSH connection negotiation, aka Bug IDs CSCum35502, CSCuw78669, CSCuw79754, and CSCux88492.

Risk And Classification

Primary CVSS: v3.0 8 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-264 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary8HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
2.0[email protected]Primary9AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:S/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Nexus 7000 10-slot - All All All
Hardware Cisco Nexus 7000 18-slot - All All All
Hardware Cisco Nexus 7000 4-slot - All All All
Hardware Cisco Nexus 7000 9-slot - All All All
Hardware Cisco Nexus 7700 10-slot - All All All
Hardware Cisco Nexus 7700 18-slot - All All All
Hardware Cisco Nexus 7700 2-slot - All All All
Hardware Cisco Nexus 7700 6-slot - All All All
Operating System Cisco Nx-os 4.1.\(2\) All All All
Operating System Cisco Nx-os 4.1.\(3\) All All All
Operating System Cisco Nx-os 4.1.\(4\) All All All
Operating System Cisco Nx-os 4.1.\(5\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1b\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1d\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1e\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1f\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1g\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1h\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1i\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1j\) All All All
Operating System Cisco Nx-os 4.1\(2\)e1\(1\) All All All
Operating System Cisco Nx-os 4.2.\(2a\) All All All
Operating System Cisco Nx-os 4.2\(3\) All All All
Operating System Cisco Nx-os 4.2\(4\) All All All
Operating System Cisco Nx-os 4.2\(6\) All All All
Operating System Cisco Nx-os 4.2\(8\) All All All
Operating System Cisco Nx-os 5.0\(2a\) All All All
Operating System Cisco Nx-os 5.0\(3\) All All All
Operating System Cisco Nx-os 5.0\(5\) All All All
Operating System Cisco Nx-os 5.1\(1a\) All All All
Operating System Cisco Nx-os 5.1\(1\) All All All
Operating System Cisco Nx-os 5.1\(3\) All All All
Operating System Cisco Nx-os 5.1\(4\) All All All
Operating System Cisco Nx-os 5.1\(5\) All All All
Operating System Cisco Nx-os 5.1\(6\) All All All
Operating System Cisco Nx-os 5.2\(1\) All All All
Operating System Cisco Nx-os 5.2\(3a\) All All All
Operating System Cisco Nx-os 5.2\(4\) All All All
Operating System Cisco Nx-os 5.2\(5\) All All All
Operating System Cisco Nx-os 5.2\(7\) All All All
Operating System Cisco Nx-os 5.2\(9\) All All All
Operating System Cisco Nx-os 6.0\(1\) All All All
Operating System Cisco Nx-os 6.0\(2\) All All All
Operating System Cisco Nx-os 6.0\(3\) All All All
Operating System Cisco Nx-os 6.0\(4\) All All All
Operating System Cisco Nx-os 6.1\(1\) All All All
Operating System Cisco Nx-os 6.1\(2\) All All All
Operating System Cisco Nx-os 6.1\(3\) All All All
Operating System Cisco Nx-os 6.1\(4a\) All All All
Operating System Cisco Nx-os 6.1\(4\) All All All
Operating System Cisco Nx-os 6.2\(10\) All All All
Operating System Cisco Nx-os 6.2\(2a\) All All All
Operating System Cisco Nx-os 6.2\(2\) All All All
Operating System Cisco Nx-os 6.2\(6b\) All All All
Operating System Cisco Nx-os 6.2\(6\) All All All
Operating System Cisco Nx-os 6.2\(8a\) All All All
Operating System Cisco Nx-os 6.2\(8b\) All All All
Operating System Cisco Nx-os 6.2\(8\) All All All
Operating System Cisco Nx-os base All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco NX-OS Remote Authenticated SSH Users Bypass AAA Security Restrictions on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Multiple Cisco Nexus Devices CVE-2015-0721 Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco NX-OS Software-Based Products Authentication, Authorization, and Accounting Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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